Features:* .* Made of high-quality material, and practical to use.* The filter can maintain the cleaning performance of your vacuum cleaner while reducing the penetration of dust, pollen and other allergens into the air you breathe.* The filter captures dust and allergic particles during the cleaning process, very suitable for asthma patients, allergy patients or pet families.* Under normal maintenance, it can be easily removed and replaced.* It is recommended to replace it every 2-3 months or depending on usage to keep the machine running at peak performance. Specifications:* Mounting: for Karcher AD 3.000 3.200 AD3 AD2* Color: as the pictures showPackage contents:1 * filtersNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.